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Archives for Tag: plant

Ethylene of no effect: Why peppers do not mature after picking

(Phys.org) — The plant hormone ethylene lets green tomatoes ripen even after the harvest, whereas the closely related chili peppers show no such effect. Researchers from the Max-Planck-Institute of Molecular Plant Physiology wanted to understand the reason for that and compared gene expression levels and metabolic pathways of both plant species. Understanding the ripening process […]

Researchers demonstrate control of devastating cassava virus in Africa

ST. LOUIS, MO, August 7, 2012— An international research collaboration recently demonstrated progress in protecting cassava against cassava brown streak disease (CBSD), a serious virus disease, in a confined field trial in Uganda using an RNA interference technology. The field trial was planted in November 2010 following approval by the National Biosafety Committee of Uganda. […]

Herbivores select on floral architecture in a South African bird-pollinated plant

Inflorescence architecture of Babiana ringens may have evolved in response to selective pressures from both herbivores and pollinators Floral displays, such as the color, shape, size, and arrangement of flowers, are typically thought to have evolved primarily in response to selection by pollinators—for animal-pollinated species, being able to attract animal vectors is vital to an […]